From d8bc38f154325f81f05c1fc17bc3605706946525 Mon Sep 17 00:00:00 2001
From: Christian Mazakas <christian.mazakas@gmail.com>
Date: Wed, 12 Apr 2023 14:41:36 -0700
Subject: [PATCH] Clean up tag dispatch for group_type copy assignment

---
 include/boost/unordered/detail/foa/concurrent_table.hpp | 4 +---
 include/boost/unordered/detail/foa/core.hpp             | 7 +------
 2 files changed, 2 insertions(+), 9 deletions(-)

diff --git a/include/boost/unordered/detail/foa/concurrent_table.hpp b/include/boost/unordered/detail/foa/concurrent_table.hpp
index db09b9ca..04168d82 100644
--- a/include/boost/unordered/detail/foa/concurrent_table.hpp
+++ b/include/boost/unordered/detail/foa/concurrent_table.hpp
@@ -174,9 +174,7 @@ struct atomic_integral
   void operator&=(Integral m){n.fetch_and(m,std::memory_order_relaxed);}
 
   atomic_integral& operator=(atomic_integral const& rhs) {
-    if(this!=&rhs){
-      n.store(rhs.n.load(std::memory_order_relaxed),std::memory_order_relaxed);
-    }
+    n.store(rhs.n.load(std::memory_order_relaxed),std::memory_order_relaxed);
     return *this;
   }
 
diff --git a/include/boost/unordered/detail/foa/core.hpp b/include/boost/unordered/detail/foa/core.hpp
index 0c26699b..eff1ccb6 100644
--- a/include/boost/unordered/detail/foa/core.hpp
+++ b/include/boost/unordered/detail/foa/core.hpp
@@ -1833,12 +1833,7 @@ private:
 
   void copy_groups_array_from(const table_core& x) {
     copy_groups_array_from(x, std::integral_constant<bool,
-#if BOOST_WORKAROUND(BOOST_LIBSTDCXX_VERSION,<50000)
-      /* std::is_trivially_copyable not provided */
-      boost::has_trivial_copy<element_type>::value
-#else
-      std::is_trivially_copyable<element_type>::value
-#endif
+      std::is_trivially_copy_assignable<group_type>::value
       >{}
     );
   }